package com.example.test2018131532.controller;

import com.example.test2018131532.bean.UserBean;
import com.example.test2018131532.service.UserService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class LoginController implements HandlerInterceptor {
 @Override
public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        String reqPath = httpServletRequest.getServletPath();
        // 只有返回true才会继续向下执行，返回false取消当前请求
        HttpSession session = httpServletRequest.getSession();
        if (session == null || session.getAttribute("user") == null ) {
        //httpServletResponse.setStatus(HttpStatus.UNAUTHORIZED.value());
        httpServletResponse.sendRedirect("/");
        return false;
        }
        return true;
        }
@Override
public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
        }
@Override
public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
        }

        }
